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[Bone disease with vitamin D receptor abnormality].
Akifumi Tokita1, Ken Hisada, Kyoko Nishizawa
1Department of Pediatrics, Juntendo University School of Medicine.
Nihon Rinsho. Japanese Journal of Clinical Medicine
|February 23, 2002
Summary
The vitamin D receptor (VDR) gene, located on chromosome 12q13-14, plays a crucial role in bone health. Mutations in the VDR gene cause hereditary vitamin D-resistant rickets, and VDR gene variations may influence bone density and osteoporosis risk.
Area of Science:
- Genetics
- Molecular Biology
- Endocrinology
Context:
- The vitamin D receptor (VDR) gene is located at chromosomal locus 12q13-14 and comprises at least nine exons.
- Hereditary 1,25-dihydroxyvitamin D resistant rickets (HVDRR), also known as vitamin D-dependent rickets type II, is a rare autosomal recessive disorder caused by mutations in the VDR gene.
Purpose:
- To investigate the role of the VDR gene in bone metabolism and its association with bone mineral density.
- To explore the implications of VDR gene polymorphisms as potential genetic markers for bone health and osteoporosis risk.
Summary:
- The VDR gene, critical for vitamin D action, is localized to 12q13-14 and has a minimum of nine exons.
- Mutations in the VDR gene lead to HVDRR, a severe form of rickets.
- Polymorphisms within the VDR gene, including start codon and 3'-end variations, are being studied for their potential to modulate bone mineral density.
Impact:
- Understanding VDR gene variations can enhance our knowledge of genetic predispositions to osteoporosis.
- Identifying VDR polymorphisms may lead to personalized approaches for managing bone health and preventing osteoporosis.
- This research contributes to the field of genetic determinants of bone mass and skeletal disorders.